/Engine/Source/Runtime/Engine/Classes/Animation/PreviewAssetAttachComponent.h
This is a component used byUSkeletonandUSkeletalMeshto deal with attaching assets to sockets or bonesPreview items that are attached to the skeleton
struct FPreviewAttachedObjectPair
FName
AttachedTo
The name of the attach point of the Object (for example a bone or socket name)